<template>
  <view>
      <!--  专辑背景 开始 -->
      <view class="album_bg">
          <image :src="album.cover" mode="widthFix"></image>
          <view class="album_info">
              <view class="album_name">{{album.name}}</view>
              <view class="album_btn">关注专辑</view>
          </view>
      </view>
      <!--  专辑背景 结束 -->

      <!-- 专辑作者 开始 -->
    <view class="album_author">
      <view class="album_author_info">
        <image mode="widthFix" :src="album.user.avatar"></image>
        <view class="author_name">{{album.user.name}}</view>
      </view>
      <view class="album_author_desc">
        <text>{{album.desc}}</text>
      </view>
    </view>
    <!-- 专辑作者 结束 -->

    <!-- 相册列表 开始 -->
    <view class="album_list">
      <view class="album_item" v-for="(item,index) in wallpaper" :key="item.id">
        <go-detail :list="wallpaper" :index="index">
          <image mode="aspectFill" :src="item.thumb+item.rule.replace('$<Height>',360)"></image>
        </go-detail>
      </view>
    </view>
    <!-- 相册列表 结束 -->
  </view>
</template>

<script>
import goDetail from "@/components/goDetail";
export default {
  components:{
    goDetail
  },
   data(){
       return{
           params: {
               limit:30,
               order:"new",
               skip:0,
               // 1 返回值 有album对象值
               // 0 返回值 只有wallpaper数组 不是第一次请求
               first:1
           },
           id: -1 ,
           album:{},
           wallpaper:[],
           hasMore:true,
       }
   },

   onLoad(options){
       this.id = options.id
       this.getList();
   },

   //页面触底 上拉加载下一页事件
   onReachBottom(){
       if(this.hasMore){
           this.params.first = 0;
           this.params.skip += this.params.limit;
           this.getList();
       }else{
           uni.showToast({
               title:"我也是有底线的",
               icon:"none"
           })
       }
   },
   methods:{
       getList(){
           this.request({
               url:`http://157.122.54.189:9088/image/v1/wallpaper/album/${this.id}/wallpaper`,
               data:this.params
           })
           .then(result=>{
                console.log(result);
               if(Object.keys(this.album).length === 0){
                   this.album = result.res.album;
               }

               if(result.res.wallpaper.length === 0){
                   this.hasMore = false;
                   uni.showToast({
                    title:"我也是有底线的",
                    icon:"none"
                 })
                   return;
               }
               this.wallpaper = [...this.wallpaper,...result.res.wallpaper]
           })
       }
   },
}
</script>

<style lang="scss" scoped>
.album_bg {
    position: relative;
  image {

  }

  .album_info {
      position: absolute;
      width: 100%;
      left: 0;
      bottom: 0;
      display: flex;
      justify-content: space-between;
      height: 80rpx;
      align-items: center;
      color: #ffffff;
      padding: 0 15rpx;
    .album_name {
        font-size: 40rpx;
    }

    .album_btn {
        background-color: $color;
        width: 152rpx;
        height: 60rpx;
        display: flex;
        justify-content: center;
        align-items: center;
        border-radius: 10rpx;
    }
  }
}
.album_author {
  padding: 10rpx;
  .album_author_info {
    padding: 10rpx 0;
    display: flex;
    image {
      width: 50rpx;
    }
    .author_name {
      color: #000;
      margin-left: 15rpx;
    }
  }
}
.album_list {
  display: flex;
  flex-wrap: wrap;
  .album_item {
    width: 33.33%;
    border: 3rpx solid #fff;
    image{
      height: 160rpx;
    }
  }
}
</style>